package com.tedu.bill.demo4;

/**
 * Author：毕龙
 * Date: 2024/4/14 14:21
 */
public class AA {
    //测试修饰的访问权限
    private int a=1;
    int b=2;
    protected int c = 3;
    public int d = 4;

    public static void main(String[] args) {
        AA aa = new AA();
        System.out.println(aa.a);
        System.out.println(aa.b);
        System.out.println(aa.c);
        System.out.println(aa.d);
    }
}
